Rules

Only words with 2 or more characters are accepted
Max 200 chars total
Space is used to split words, "" can be used to search for a whole string (not indexed search then)
AND, OR and NOT are prefix words, overruling the default operator
+/|/- equals AND, OR and NOT as operators.
All search words are converted to lowercase.

Edition notice

Publisher: Land North Rhine-Westphaliarepresented by the Ministry of Economic Affairs, Innovation, Digitalisation and Energy, thus represented by the director of the Materialprüfungsamt Nordrhein-Westfalen (MPA NRW)

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